What is the difference between a two-stroke and a four-stroke engine? Most chain saws and boat motors use two-stroke engines.
二冲程和四冲程发动机的区别：大多数链锯和摩托艇使用的是二冲程发动机。
Even when Saab finally decided to go with a four-stroke engine in 1967, it kept things weird by using a V-4.
就算萨博在1967年最终决定使用四冲程发动机，它还是把发动机搞成个V4，萨博总能把事情搞的古怪好玩。
The aircraft is powered by a 360hp air-cooled, four-stroke, petrol (gasoline) piston engine.
飞机由一台360马力风冷、四冲程汽油活塞发动机提供动力。
Otto built the practical four-stroke internal combustion engine called the "Otto Cycle Engine, " and as soon as he had completed his engine, he built it into a motorcycle.
奥托制造了第一台实用的四冲程内燃机，叫做“奥托循环发动机”，并且当完成制造他的发动机后他就把发动机安装在摩托车上。
"Great Wall" brand four stroke motorcycle oil obtained JASO quality certificate, and specially formulated to meet the performance requirements of four stroke motorcycle engine.
长城“牌四冲程摩托车发动机油已获得J ASO质量认证，能够满足四冲程摩托车发动机的特殊性能要求。”
While a modified Otto cycle engine using the "Atkinson cycle" provides good fuel economy, it is at the expense of a lower power-per-displacement as compared to a traditional four-stroke engine.
虽然修改奥托循环发动机使用“阿特金森循环”提供良好的燃油经济性，这是比较传统的四冲程发动机在一个较低的功耗，每位移费用。
Hydrocarbon emission and fuel consumption are decreased to some extent, but the values are still high comparing to four-stroke engine.
碳氢排放和油耗有所降低，但仍高出四冲程发动机很多。
This paper introduces the design of valves of four-stroke motorcycle engines and relating problems on material selection and their influences on engine performances.
本文介绍了四冲程摩托车发动机气门设计和选用材料的有关问题，及对发动机性能的影响。
Based on the working principle of the four-stroke engine, we model the four-cylinder gasoline engine using bond graph technique.
基于四冲程发动机的工作原理，用键合图对一四缸汽油机进行了建模。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
The four strokes in the four-stroke-cycle engine, in their proper order, are intake, compression, power, and exhaust.
四冲程循环发动机中，四个冲程的固定顺序是：进气、压缩、作功和排气。
In response to increasingly stringent emissions legislation, the number of four-stroke motorcycle is more and more, so it is necessary to develop the special four-stroke motorcycle engine oil.
随着我国环保法规的日益严格，四冲程摩托车数量越来越多，开发专门的四冲程摩托车油非常必要。
This paper deals with such a question but confining to the case of four-stroke engine turbocharged under the constant pressure principle.
本文旨在对定压式纯废气透平增压四冲程柴油机的变工况计算提出一种新的列线图解法。
The engine is four- stroke, air-cooled gasoline engine which is started by rebound starter and it can transmit smoothly without energy loss.
发动机为四冲程空冷汽油机，靠反弹式起动器启动。
Four stroke horizontal engine.
四冲程发动机的水平。
At the same time, simplex four stroke gasoline engine has carried on the corresponding series experiment in Honda HODNA on the G200.
同时，在本田hodnaG200单缸四冲程汽油机上进行了相应的系列试验。
In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle.
在四冲程发动机，四冲程汽缸中的活塞需要完成一个工作循环。
In this paper, the mathematical model of in-cylinder working process is deduced according to in-cylinder working characteristic of four-stroke direct injection diesel engine.
本文根据直喷式四冲程柴油机缸内工作过程特点推导出描述柴油机缸内工作过程的数学模型。
The operating principle of internal-combustion engine mode is similar to the four-stroke internal combustion engine, so it will inevitably produce harmful emissions.
内燃机模式的工作原理与普通四冲程内燃机相同，因此不可避免的也会产生有害排放物。
The operating principle of internal-combustion engine mode is similar to the four-stroke internal combustion engine, so it will inevitably produce harmful emissions.
内燃机模式的工作原理与普通四冲程内燃机相同，因此不可避免的也会产生有害排放物。
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